MECHANICAL STRESS MEASUREMENT SENSOR Russian patent published in 2015 - IPC G01L1/12 G01B7/24 

FIELD: instrumentation.

SUBSTANCE: sensor comprises a rectangular plate from polymeric material on the top surface of which the depression is made where the detector is placed, meanwhile inside the rectangular plate along the longitudinal axis previously the pre-stressed amorphous ferromagnetic microwire is located which is made from alloys enriched with cobalt and placed inside the measuring coil as opposite connected solenoids from copper wire. The microwire is connected to the first couple of contact pads, and the named differential measuring coil - to the second couple of contact pads. Contact pads in turn are connected to the detector comprising AC power supply connected to the magnetic field source, DC power supply connected to the first couple of contact pads and the measuring coil signal amplifier the input of which is connected to the second couple of contact pads, and the output is connected to the analogue-digital converter connected to the personal computer.

EFFECT: higher accuracy.

11 cl, 5 dwg